1949317007 has 4 divisors (see below), whose sum is σ = 2126527656. Its totient is φ = 1772106360.

The previous prime is 1949316937. The next prime is 1949317033. The reversal of 1949317007 is 7007139491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7007139491 = 11 ⋅637012681.

It is a cyclic number.

It is not a de Polignac number, because 1949317007 - 2¹⁰ = 1949315983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949317067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88605308 + ... + 88605329.

It is an arithmetic number, because the mean of its divisors is an integer number (531631914).

Almost surely, 2^1949317007 is an apocalyptic number.

1949317007 is a deficient number, since it is larger than the sum of its proper divisors (177210649).

1949317007 is a wasteful number, since it uses less digits than its factorization.

1949317007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177210648.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 1949317007 is about 44151.0702814779. The cubic root of 1949317007 is about 1249.1870996290.

The spelling of 1949317007 in words is "one billion, nine hundred forty-nine million, three hundred seventeen thousand, seven".